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Ventilation Testing Services

Part F Ventilation Testing


Ventilation testing is essential for all dwellings; a property will likely have mould, condensation, and dampness problems without proper ventilation.

At Airtight Testing Staffordshire, we understand the importance of maintaining high indoor air quality and ensuring compliance with building regulations, particularly Part F of the Building Regulations in the UK. With our expertise in ventilation testing, we provide comprehensive solutions tailored to your needs alongside our other on-site testing services.


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What is Part F Ventilation Testing?


Part F of the Building Regulations focuses on building ventilation requirements to ensure adequate airflow and indoor air quality. As mandated, ventilation testing involves assessing ventilation systems’ effectiveness in providing sufficient fresh air and removing pollutants from indoor spaces.

Ventilation testing must be carried out on system types 1, 3 and 4:


Type 1 Ventilation Systems

Within this type of ventilator system are intermittent extract fans with background ventilators, extractor fans in kitchens, toilets, and bathrooms, and trickle ventilators on windows. Intermittent extract fans are the ventilation systems most commonly found in homes.


Type 2 Ventilation Systems

This kind of system uses passive stack ventilation, which means it combines cross ventilation, buoyancy (warm air rising), and the venture effect to ventilate. This type of system is very rarely installed because of its weather dependency.


Type 3 Ventilation Systems

This type of ventilation system uses mechanical extract ventilation (MEV). It can be a whole-house system or a localised one for individual rooms. This system features multiple ducts that run from a constantly active unit to wet rooms (kitchen, WC, bathroom) to continuously extract stale air. When these wet rooms are used, the system boosts itself to extract more air.


Type 4 Ventilation Systems

Type 4 ventilation systems use mechanical ventilation heat recovery (MVHR). Like Type 3, this system supplies fresh air to other rooms, such as bedrooms, dining rooms, and living rooms. It also utilises heat extracted from stale air and keeps it within the central unit to heat fresh air from outside before it is supplied to the house.


When is Part F Ventilation Testing Required?


Part F ventilation testing is essential for new buildings to confirm that the ventilation systems meet regulatory requirements from the outset. By conducting testing during the construction phase, any deficiencies or issues with the ventilation systems can be identified and addressed promptly, preventing costly delays and ensuring compliance with building regulations.

Similarly, for building extensions or renovations that involve modifications to ventilation systems, Part F ventilation testing is necessary to assess the updated systems’ performance. Whether new ductwork is installed, mechanical ventilation units are added, or airflow configurations are changed, testing ensures that the modifications meet the required standards and contribute to maintaining indoor air quality.

Scheduling Part F ventilation testing at the appropriate stage of construction is critical to verify compliance with building regulations effectively. Testing too early may yield inaccurate results if the ventilation systems are not fully installed or operational, while testing too late could lead to costly rework if issues are identified after construction is complete. Therefore, coordinating testing with key construction milestones ensures that any deficiencies can be addressed promptly, minimizing project delays and ensuring compliance with regulatory requirements.


Who is Responsible for Conducting Part F Ventilation Testing?


Ventilation testing should be undertaken by BPEC-qualified engineers using UKAS-calibrated equipment.

As experienced professionals in the field of ventilation testing, we understand the importance of compliance with regulatory standards and the critical role that proper ventilation plays in maintaining indoor air quality. Our team of qualified engineers is committed to upholding the highest standards of professionalism and competence in every aspect of our work. We take pride in our ability to perform accurate testing and assure our clients that their ventilation systems meet regulatory requirements.


How Do I Prepare for Part F Ventilation Testing?


We will need the SAP calculations, details of the property’s ventilation system, design, and dwelling floor plans to conduct our ventilation testing services. To prepare for Part F ventilation testing, ensure ventilation systems are correctly installed and operational. Clear access to ventilation components and relevant documentation will facilitate the testing process. Our team at Airtight Testing Staffordshire can guide you through the preparation steps and address any concerns.

We utilise various methods and instruments for Part F ventilation testing, including airflow measurements, pressure testing, smoke tests, and thermal imaging. These techniques allow us to accurately assess ventilation system performance and identify areas requiring improvement or rectification.


What are the Consequences of Failing Part F Ventilation Testing?


Failure to comply with Part F ventilation requirements can have serious consequences, including project completion delays, additional remedial work costs, and potential legal penalties. Proper ventilation testing and compliance can avoid these repercussions and create healthier indoor environments for occupants.


How Often Should Part F Ventilation Testing be Conducted?


Part F ventilation testing is typically conducted during the commissioning phase of a building project to verify compliance with regulatory standards. However, periodic testing may also be necessary to ensure ongoing performance and maintenance of ventilation systems. Our team can advise you on the appropriate testing frequency based on your requirements.


Why Choose Airtight Testing Staffordshire for Ventilation Testing?


At Airtight Testing Staffordshire, we are committed to helping you move quickly through the ventilation testing process. Our testing engineers have years of experience and can provide a comprehensive and knowledgeable service to ensure complete compliance.


Expertise and Experience

With years of experience in ventilation testing and building compliance, our team at Airtight Testing Staffordshire possesses the expertise and knowledge needed to conduct thorough and accurate assessments. We stay up-to-date with the latest regulations and industry standards to ensure our clients receive the highest level of service.


Comprehensive Testing Solutions

We offer a comprehensive range of testing solutions tailored to meet our client’s specific needs. We have the tools, knowledge, and experience to deliver reliable results. We aim to provide a complete assessment of your ventilation systems to ensure compliance with Part F requirements.


Professionalism and Reliability

At Airtight Testing Staffordshire, professionalism and reliability are at the forefront of everything we do. Our team is committed to delivering prompt, efficient, and dependable service to our clients. We understand the importance of adhering to project timelines and strive to ensure testing is conducted with minimal disruption to your schedule.

Contact Us For Ventilation Testing


Beyond our ventilation testing, we also offer a range of other services that can be found below along with the sections of Building Regulations that they address:

Air testing– Part L (specifically Part L1a and L2a)
Sap Calculations– Part L (mainly Part L1a and L2a)
Acoustic testing– Part E of Building Regulations
Water calculations– Part G